Configuring NTP Broadcast Mode on a C-series Controller (C-Web Interface)

To configure NTP to operate in broadcast mode:

Click Configure, expand System, and click NTP.
The NTP pane appears.
In the Create new list, select Broadcast. Type an IP address or a hostname on one of the local networks or a multicast address assigned to NTP. Click OK.
Enter information as described in the Help text in the main pane, and click Apply.

Note: If the remote system has authentication enabled, specify an authentication key and value. The system transmits the specified authentication key when transmitting packets.